Some of the Most Convincing Evidence That Helps to Explain

Some of the most convincing evidence that helps to explain the observed increase in the incidence of anorexia nervosa and bulimia nervosa over the past half century is

A) improved diagnostic and reporting practices.
B) concurrent increases in the rate of depression.
C) the generally improved health of the society and an increased emphasis on diet and exercise.
D) the decrease in the weight of both Miss America contestants and Playboy centerfold models.